Home / 1,397,819.73-1,928,527.47-1,139,252.34

Finding the Fourth Proportional to 1,397,819.73, 1,928,527.47 and 1,139,252.34

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Solution

The fourth proportional to 1,397,819.73, 1,928,527.47 and 1,139,252.34 is: 1,571,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,819.73 : 1,928,527.47 = 1,139,252.34 : x
  2. Step 2: Convert to fraction form
    1,397,819.73/1,928,527.47 = 1,139,252.34/x
  3. Step 3: Cross multiply
    1,397,819.73x = 1,928,527.47 × 1,139,252.34
  4. Step 4: Simplify right side
    1,397,819.73x = 2,197,079,432,951.78
  5. Step 5: Solve for x
    x = 2,197,079,432,951.78/1,397,819.73
  6. Step 6: Final answer
    x = 1,571,790.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.